Fig. 1From: Comparison of tracer kinetic models for 68Ga-PSMA-11 PET in intermediate-risk primary prostate cancer patients10 mm spherical VOI placements for artery (left), normal prostate tissue (middle), and lesion (right). An early bolus phase image was used to locate the external iliac artery. All three displayed images are 40–55 min PET frames overlaid with CT. Scale bar is in units of kBq/mLBack to article page